doc.FAQ.WhatFactorsContributeToStabilityProblems Improper use of database agent reuse rules in the Multi-Tier oplrqb.ini file Inadequate memory Inadequate processor count Insufficient allocation of TCP ports in the Multi-Tier oplrqb.ini file Lack of critical database patches or application of flawed patches Lack of critical o/s patches or application of flawed patches Sub-optimal kernel tuning parameters (Unix) Use of deprecated OpenLink components Use of OpenLink products with an incompatible databases or o/s Use of Single-Tier drivers on top of unstable database native clients